Journal
EUROPEAN JOURNAL OF ENTOMOLOGY
Volume 118, Issue -, Pages 368-393Publisher
CZECH ACAD SCI, INST ENTOMOLOGY
DOI: 10.14411/eje.2021.039
Keywords
Syrphidae; Eumerus tricolor group; COI gene; hoverfly diversity; identification key; new species; lectotype; small habitats; national park; taxonomic revision; Diptera
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Funding
- Dutch Uyttenboogaart-Eliasen foundation [SUB.2014.12.16]
- Ministry of Education, Science and Technological Development of the Republic of Serbia [451-03-9/2021-14/200125, 451-03-9/202114/200358]
- H2020 Project ANTARES [664387]
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This study investigates the diversity in the Eumerus tricolor group in Southeast Europe and describes two new species as well as one related species from Switzerland. Lectotypes are designated for several species and a distribution map is provided. The significance of small habitat patches for species preservation is also discussed.
The diversity in the Eumerus tricolor group, the largest group within the genus in Southeast Europe, is investigated. Two new, locally distributed species are described, E. crispus Vujiv & Grkoviv, sp. n. from Serbia and E. nigrorufus Grkoviv & Vujiv, sp. n. from Montenegro. In addition to Southeast European members, one related species E. arctus van Steenis, sp. n. is described from Switzerland. We designate lectotypes for E. ovatus Loew, 1848, E. tarsalis Loew, 1848, E. tricolor (Fabricius, 1798) and E. varius Meigen, 1822. A map of the distribution of members of the E. tricolor group in Southeast Europe is provided. In addition, records from other parts of Europe are listed and an illustrated identification key to the SE European species of the E. tricolor group provided. We also study and discuss the signifi cance of small habitat patches for the preservation of species of Eumerus, because the three species described in this paper are currently known from such patches.
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